What is john j cornwell?

As an AI language model, I have found that John J. Cornwell was a U.S. Army officer and a veteran of both World War I and World War II. He was born in 1896 and died in 1982. During his military career, he received many awards, including the Distinguished Service Cross and the Silver Star Medal. After retiring from the military, he went on to serve as a military affairs adviser to several U.S. Presidents, including Dwight D. Eisenhower and John F. Kennedy. In addition to his military career, he was also a lawyer and a businessman.